The KEYESTUDIO ESP13 shield serial port module KS0366 for Arduino is specially designed for connecting WiFi to Arduino microcontrollers.

The pin is compatible with main control boards such as the Arduino Uno and Mega2560.

• Support for 802.11 b/g/n wireless standards.
• Support for STA/AP operating modes.
• Built-in TCP/IP protocol, socket configuration capability.
• Support for TCP/UDP Server and Client.
• The serial port baud rate supports 1200/2400/4800/9600/19200/38400/57600/74800/115200 bps.
• Standard Arduino Uno/Mega board step.
• Detached terminals GPIO 0/2/4/5/9/10/12/13/14/15/16/ADC/EN/UART/TX/UART RX/UART.
• RESET button.
• KEY button for multi-configuration operation.
• Two DIP switches that allow extended switching between Arduino and ESP8266 serial ports.

Technical specifications:

• Serial port data: 5/6/7/8 bits.
• Serial port paragraph control: None.
• Serial port stop stage: 1/2 bit.
• WiFi operating current: continuous transmission 700mA (200mA MAX), standby <200uA.
• Wireless transmission rate: 110-460800bps.
• Operating temperature: -40°C ~ +125°C.
• Dimensions: 69 x 54 x 19mm.
• Weight: 22.7g.

Note: The product is specialized and requires technical knowledge.